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Create weight_conversion.py (#3964)
* Create weight_conversion.py * Update weight_conversion.py Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>
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Anubhav Solanki
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conversions/weight_conversion.py
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287
conversions/weight_conversion.py
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"""
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Conversion of weight units.
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__author__ = "Anubhav Solanki"
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__license__ = "MIT"
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__version__ = "1.0.0"
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__maintainer__ = "Anubhav Solanki"
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__email__ = "anubhavsolanki0@gmail.com"
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USAGE :
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-> Import this file into their respective project.
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-> Use the function weight_conversion() for conversion of weight units.
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-> Parameters :
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-> from_type : From which type you want to convert
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-> to_type : To which type you want to convert
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-> value : the value which you want to convert
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REFERENCES :
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Kilogram
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Gram
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Millimetre
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Tonne
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Long_ton
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Short_ton
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Pound
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Ounce
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Fineness#Karat
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-> Wikipedia reference: https://en.wikipedia.org/wiki/Dalton_(unit)
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"""
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KILOGRAM_CHART = {
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"kilogram": 1,
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"gram": pow(10, 3),
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"milligram": pow(10, 6),
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"metric-ton": pow(10, -3),
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"long-ton": 0.0009842073,
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"short-ton": 0.0011023122,
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"pound": 2.2046244202,
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"ounce": 35.273990723,
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"carrat": 5000,
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"atomic-mass-unit": 6.022136652e26,
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}
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WEIGHT_TYPE_CHART = {
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"kilogram": 1,
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"gram": pow(10, -3),
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"milligram": pow(10, -6),
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"metric-ton": pow(10, 3),
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"long-ton": 1016.04608,
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"short-ton": 907.184,
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"pound": 0.453592,
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"ounce": 0.0283495,
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"carrat": 0.0002,
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"atomic-mass-unit": 1.660540199e-27,
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}
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def weight_conversion(from_type: str, to_type: str, value: float) -> float:
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"""
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Conversion of weight unit with the help of KILOGRAM_CHART
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"kilogram" : 1,
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"gram" : pow(10, 3),
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"milligram" : pow(10, 6),
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"metric-ton" : pow(10, -3),
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"long-ton" : 0.0009842073,
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"short-ton" : 0.0011023122,
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"pound" : 2.2046244202,
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"ounce" : 35.273990723,
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"carrat" : 5000,
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"atomic-mass-unit" : 6.022136652E+26
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>>> weight_conversion("kilogram","kilogram",4)
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4
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>>> weight_conversion("kilogram","gram",1)
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1000
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>>> weight_conversion("kilogram","milligram",4)
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4000000
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>>> weight_conversion("kilogram","metric-ton",4)
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0.004
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>>> weight_conversion("kilogram","long-ton",3)
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0.0029526219
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>>> weight_conversion("kilogram","short-ton",1)
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0.0011023122
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>>> weight_conversion("kilogram","pound",4)
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8.8184976808
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>>> weight_conversion("kilogram","ounce",4)
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141.095962892
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>>> weight_conversion("kilogram","carrat",3)
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15000
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>>> weight_conversion("kilogram","atomic-mass-unit",1)
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6.022136652e+26
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>>> weight_conversion("gram","kilogram",1)
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0.001
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>>> weight_conversion("gram","gram",3)
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3.0
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>>> weight_conversion("gram","milligram",2)
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2000.0
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>>> weight_conversion("gram","metric-ton",4)
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4e-06
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>>> weight_conversion("gram","long-ton",3)
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2.9526219e-06
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>>> weight_conversion("gram","short-ton",3)
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3.3069366000000003e-06
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>>> weight_conversion("gram","pound",3)
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0.0066138732606
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>>> weight_conversion("gram","ounce",1)
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0.035273990723
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>>> weight_conversion("gram","carrat",2)
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10.0
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>>> weight_conversion("gram","atomic-mass-unit",1)
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6.022136652e+23
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>>> weight_conversion("milligram","kilogram",1)
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1e-06
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>>> weight_conversion("milligram","gram",2)
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0.002
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>>> weight_conversion("milligram","milligram",3)
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3.0
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>>> weight_conversion("milligram","metric-ton",3)
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3e-09
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>>> weight_conversion("milligram","long-ton",3)
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2.9526219e-09
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>>> weight_conversion("milligram","short-ton",1)
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1.1023122e-09
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>>> weight_conversion("milligram","pound",3)
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6.6138732605999995e-06
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>>> weight_conversion("milligram","ounce",2)
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7.054798144599999e-05
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>>> weight_conversion("milligram","carrat",1)
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0.005
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>>> weight_conversion("milligram","atomic-mass-unit",1)
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6.022136652e+20
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>>> weight_conversion("metric-ton","kilogram",2)
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2000
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>>> weight_conversion("metric-ton","gram",2)
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2000000
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>>> weight_conversion("metric-ton","milligram",3)
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3000000000
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>>> weight_conversion("metric-ton","metric-ton",2)
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2.0
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>>> weight_conversion("metric-ton","long-ton",3)
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2.9526219
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>>> weight_conversion("metric-ton","short-ton",2)
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2.2046244
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>>> weight_conversion("metric-ton","pound",3)
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6613.8732606
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>>> weight_conversion("metric-ton","ounce",4)
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141095.96289199998
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>>> weight_conversion("metric-ton","carrat",4)
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20000000
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>>> weight_conversion("metric-ton","atomic-mass-unit",1)
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6.022136652e+29
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>>> weight_conversion("long-ton","kilogram",4)
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4064.18432
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>>> weight_conversion("long-ton","gram",4)
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4064184.32
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>>> weight_conversion("long-ton","milligram",3)
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3048138240.0
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>>> weight_conversion("long-ton","metric-ton",4)
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4.06418432
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>>> weight_conversion("long-ton","long-ton",3)
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2.999999907217152
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>>> weight_conversion("long-ton","short-ton",1)
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1.119999989746176
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>>> weight_conversion("long-ton","pound",3)
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6720.000000049448
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>>> weight_conversion("long-ton","ounce",1)
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35840.000000060514
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>>> weight_conversion("long-ton","carrat",4)
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20320921.599999998
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>>> weight_conversion("long-ton","atomic-mass-unit",4)
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2.4475073353955697e+30
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>>> weight_conversion("short-ton","kilogram",3)
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2721.5519999999997
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>>> weight_conversion("short-ton","gram",3)
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2721552.0
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>>> weight_conversion("short-ton","milligram",1)
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907184000.0
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>>> weight_conversion("short-ton","metric-ton",4)
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3.628736
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>>> weight_conversion("short-ton","long-ton",3)
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2.6785713457296
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>>> weight_conversion("short-ton","short-ton",3)
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2.9999999725344
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>>> weight_conversion("short-ton","pound",2)
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4000.0000000294335
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>>> weight_conversion("short-ton","ounce",4)
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128000.00000021611
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>>> weight_conversion("short-ton","carrat",4)
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18143680.0
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>>> weight_conversion("short-ton","atomic-mass-unit",1)
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5.463186016507968e+29
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>>> weight_conversion("pound","kilogram",4)
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1.814368
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>>> weight_conversion("pound","gram",2)
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907.184
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>>> weight_conversion("pound","milligram",3)
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1360776.0
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>>> weight_conversion("pound","metric-ton",3)
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0.001360776
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>>> weight_conversion("pound","long-ton",2)
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0.0008928571152432
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>>> weight_conversion("pound","short-ton",1)
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0.0004999999954224
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>>> weight_conversion("pound","pound",3)
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3.0000000000220752
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>>> weight_conversion("pound","ounce",1)
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16.000000000027015
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>>> weight_conversion("pound","carrat",1)
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2267.96
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>>> weight_conversion("pound","atomic-mass-unit",4)
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1.0926372033015936e+27
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>>> weight_conversion("ounce","kilogram",3)
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0.0850485
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>>> weight_conversion("ounce","gram",3)
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85.0485
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>>> weight_conversion("ounce","milligram",4)
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113398.0
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>>> weight_conversion("ounce","metric-ton",4)
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0.000113398
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>>> weight_conversion("ounce","long-ton",4)
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0.0001116071394054
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>>> weight_conversion("ounce","short-ton",4)
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0.0001249999988556
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>>> weight_conversion("ounce","pound",1)
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0.0625000000004599
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>>> weight_conversion("ounce","ounce",2)
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2.000000000003377
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>>> weight_conversion("ounce","carrat",1)
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141.7475
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>>> weight_conversion("ounce","atomic-mass-unit",1)
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1.70724563015874e+25
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>>> weight_conversion("carrat","kilogram",1)
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0.0002
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>>> weight_conversion("carrat","gram",4)
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0.8
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>>> weight_conversion("carrat","milligram",2)
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400.0
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>>> weight_conversion("carrat","metric-ton",2)
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4.0000000000000003e-07
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>>> weight_conversion("carrat","long-ton",3)
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5.9052438e-07
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>>> weight_conversion("carrat","short-ton",4)
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8.818497600000002e-07
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>>> weight_conversion("carrat","pound",1)
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0.00044092488404000004
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>>> weight_conversion("carrat","ounce",2)
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0.0141095962892
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>>> weight_conversion("carrat","carrat",4)
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4.0
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>>> weight_conversion("carrat","atomic-mass-unit",4)
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4.8177093216e+23
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>>> weight_conversion("atomic-mass-unit","kilogram",4)
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6.642160796e-27
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>>> weight_conversion("atomic-mass-unit","gram",2)
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3.321080398e-24
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>>> weight_conversion("atomic-mass-unit","milligram",2)
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3.3210803980000002e-21
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>>> weight_conversion("atomic-mass-unit","metric-ton",3)
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4.9816205970000004e-30
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>>> weight_conversion("atomic-mass-unit","long-ton",3)
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4.9029473573977584e-30
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>>> weight_conversion("atomic-mass-unit","short-ton",1)
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1.830433719948128e-30
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>>> weight_conversion("atomic-mass-unit","pound",3)
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1.0982602420317504e-26
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>>> weight_conversion("atomic-mass-unit","ounce",2)
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1.1714775914938915e-25
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>>> weight_conversion("atomic-mass-unit","carrat",2)
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1.660540199e-23
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>>> weight_conversion("atomic-mass-unit","atomic-mass-unit",2)
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1.999999998903455
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"""
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if to_type not in KILOGRAM_CHART or from_type not in WEIGHT_TYPE_CHART:
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raise ValueError(
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f"Invalid 'from_type' or 'to_type' value: {from_type!r}, {to_type!r}\n"
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f"Supported values are: {', '.join(WEIGHT_TYPE_CHART)}"
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)
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return value * KILOGRAM_CHART[to_type] * WEIGHT_TYPE_CHART[from_type]
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if __name__ == "__main__":
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import doctest
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doctest.testmod()
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